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Individual Calculations September 2022 |
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| Potgieter, Edward Total change: 45.60 | |   |
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| JMC Women's Day FIDE Open | Johannesburg | RSA | 2022-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1467 | 2.50 | 5 | 1.05 | 40 | 42.00 | |
|  Essop, Rashied | | | 1319 | RSA | 0.50 | 1 | -0.20 | 40 | -8.00 | |  Hercules, Benjamin Vincent | c | | 2062 | RSA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Khumalo, Ernest | | | 1360 | RSA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Mazibuko, Khanya | c | | 1930 | RSA | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Simpson, Michael | | | 2009 | RSA | 0.00 | 1 | -0.03 | 40 | -1.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2022 Alekhine FIDE Rated Open Tournament (A) | Pretoria | RSA | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1467 | 2.00 | 5 | 0.09 | 40 | 3.60 | |
| | Mabusela, Johannes Manyedi | m | | 2203 | RSA | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Jacobs, Calvin Nicholas | | | 1371 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Nhamuave, Eleazar | | | 1696 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Nguyen, Minh | | | 1393 | RSA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Claassen, Jean-Daniel | | | 1489 | RSA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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